Download or read book Extreme Endurance Challenges written by Karen Latchana Kenney and published by Lerner Publications ™. This book was released on 2021-01-01 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some competitors are able to crawl under barbed wire for miles. Others stay awake for days at a time. Readers will learn about some of the world's most extreme endurance competitions and how athletes train for them.